Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 19:02

General

  • Target

    de380d6e306a565da0abb6c3c3a1218c_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    de380d6e306a565da0abb6c3c3a1218c

  • SHA1

    e23d9b94520ee782849891946698093c0bf5548a

  • SHA256

    ff620f29513c7adf425b7689392a0f419258e6607ba99be0c710760806d1dcd1

  • SHA512

    9aff49d5c86a5b5cd37b90a2489fc6b77c89abc2b8df55ba1fb2e86a6b69e8f3a11b11c7c0a267f6d333a3680338055adb0a3e6053e94e8b84c6cb5000176c00

  • SSDEEP

    12288:RpLJ5xYSHm8SVu/aQofMgWgfpLc2kn3pvihfSDWEQ7lPQ6H+Uy1Susr8MmH3jR:mS9ScaQgWgR4339SeWEgloZZS5R0

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

upio

Decoy

thecantonmentcookhouse.com

1for1ecomask.com

thatvintagehome.com

momentbymomentmindfulness.com

denxmedia.com

arc-corner.com

siddharthmakharia.com

meiluk.com

toughu.com

hotelwisatabaru.com

ibluebelt3dbuy.com

bestfootwearhk.com

wbjobalerts.com

radiancenurestoringcleanse.com

xintianlongyeya.com

docauphuhau.com

liberty-furniture.com

ranchhousepizzaonline.com

bednhomes.com

kollakids.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook family
  • Formbook payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de380d6e306a565da0abb6c3c3a1218c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\de380d6e306a565da0abb6c3c3a1218c_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\de380d6e306a565da0abb6c3c3a1218c_JaffaCakes118.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2732
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JNeKCTWpO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JNeKCTWpO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8833.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JNeKCTWpO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:544
    • C:\Users\Admin\AppData\Local\Temp\de380d6e306a565da0abb6c3c3a1218c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\de380d6e306a565da0abb6c3c3a1218c_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8833.tmp

    Filesize

    1KB

    MD5

    75983b898b2be8e326ee5b373701a6ff

    SHA1

    f326e73055bebd5d9abb74f68e524b6562c34eb5

    SHA256

    3ae189f0ff976fac57ee1683fd1395ca274d6756c9612a560e3fd088c48a4ebf

    SHA512

    84cca66edbd2ff11fe7f3b92df247e71bf79d1ae7c13ccf4b9e95cc1769df579a54492e909a323b8a0b23b74a9d5606bb77cbf7edc5901a45a7d9e3bcd57e59a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    3e18eeccbadce84d777f95e9dfd46ee0

    SHA1

    4f9df600862de098e3b764152bc9b22c4540c2e9

    SHA256

    058fc52855594a8393ec315187022ed06d732b2238f2bcebab8aa349d0898db1

    SHA512

    7aa0b04895b3607609d49a925db071534a2813bb365c7e82e31c73829734e6cb894c7f81a436a9eed478d090ff628c03e7d83f44d18f7a8a7439033e1cfc277f

  • memory/1708-20-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1708-22-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1708-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1708-25-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2444-3-0x00000000004D0000-0x00000000004EE000-memory.dmp

    Filesize

    120KB

  • memory/2444-7-0x0000000000AB0000-0x0000000000AE4000-memory.dmp

    Filesize

    208KB

  • memory/2444-6-0x0000000005820000-0x00000000058C4000-memory.dmp

    Filesize

    656KB

  • memory/2444-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2444-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2444-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-1-0x0000000000B30000-0x0000000000CBE000-memory.dmp

    Filesize

    1.6MB

  • memory/2444-31-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB